Answer:
B) The inhibition of normal myelin development in the individual's brain
Explanation:
Phenylketonuria is a disorder characterized by abnormal levels of phenylalanine in the body. It is <u>caused by mutation in DNA that leads to the deficiency of an enzyme known as phenylalanine hydroxylase, which converts phenylalanine to tyrosine</u>, a fundamental substance for dopamine production - related to working memory.
Some of the symptoms of this disorder is intellectual disability, which is caused mainly by demyelination or defective myelin biosynthesis, leading to the <u>inhibition of myelin, a fatty insulating sheath that protects nerves</u>.
Therefore, the cause of the intellectual disability in the individual is <u>the inhibition of normal myelin development in the individual's brain.</u>
Answer:
B. globalization destroys cultures.
Explanation:
Globalization means that inevitably cultures are mingled, during the process some cultures may change influenced by other external cultures.
In our 21st century world it is very difficult to stay beyond globalization, for instance, even the most remote societies are connected to western culture to some extent.
Today we know much more about far-eastern cultures than we knew a few decades ago.
Answers A and C are completely false, globalization causes factories to relocate from high-income to low-income countries which means that workers in poor countries have more jobs.
